Wong, Hei Yi, Yuk Kwan Ng, Kin Wai Edwin Chan, and Kim Hung Lee. 2018. “Patent Vitello-Intestinal Duct: A Misdiagnosis of Persistent Umbilical Granuloma”. Journal of Neonatal Surgery 7 (4). Lahore, Pakistan:45. https://doi.org/10.21699/jns.v7i4.779.